| // Copyright 2014 The Bazel Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.devtools.build.lib.rules.java; |
| |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.collect.nestedset.Depset; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSet; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.packages.BuiltinProvider; |
| import com.google.devtools.build.lib.packages.NativeInfo; |
| import com.google.devtools.build.lib.rules.cpp.LibraryToLink; |
| import com.google.devtools.build.lib.rules.cpp.LtoBackendArtifacts; |
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; |
| import com.google.devtools.build.lib.starlarkbuildapi.java.JavaNativeLibraryInfoApi; |
| import net.starlark.java.eval.EvalException; |
| |
| /** |
| * A target that provides native libraries in the transitive closure of its deps that are needed for |
| * executing Java code. |
| */ |
| @Immutable |
| @AutoCodec |
| public final class JavaNativeLibraryInfo extends NativeInfo |
| implements JavaNativeLibraryInfoApi<Artifact, LtoBackendArtifacts, LibraryToLink> { |
| |
| public static final Provider PROVIDER = new Provider(); |
| |
| private final NestedSet<LibraryToLink> transitiveJavaNativeLibraries; |
| |
| public JavaNativeLibraryInfo(NestedSet<LibraryToLink> transitiveJavaNativeLibraries) { |
| this.transitiveJavaNativeLibraries = transitiveJavaNativeLibraries; |
| } |
| |
| @Override |
| public Provider getProvider() { |
| return PROVIDER; |
| } |
| |
| /** |
| * Collects native libraries in the transitive closure of its deps that are needed for executing |
| * Java code. |
| */ |
| NestedSet<LibraryToLink> getTransitiveJavaNativeLibraries() { |
| return transitiveJavaNativeLibraries; |
| } |
| |
| @Override |
| public Depset /*<LibraryToLink>*/ getTransitiveJavaNativeLibrariesForStarlark() { |
| return Depset.of(LibraryToLink.TYPE, transitiveJavaNativeLibraries); |
| } |
| |
| public static JavaNativeLibraryInfo merge(Iterable<JavaNativeLibraryInfo> deps) { |
| NestedSetBuilder<LibraryToLink> transitiveSourceJars = NestedSetBuilder.stableOrder(); |
| |
| for (JavaNativeLibraryInfo wrapper : deps) { |
| transitiveSourceJars.addTransitive(wrapper.getTransitiveJavaNativeLibraries()); |
| } |
| return new JavaNativeLibraryInfo(transitiveSourceJars.build()); |
| } |
| |
| /** Provider class for {@link JavaNativeLibraryInfo} objects. */ |
| public static class Provider extends BuiltinProvider<JavaNativeLibraryInfo> |
| implements JavaNativeLibraryInfoApi.Provider<Artifact, LtoBackendArtifacts, LibraryToLink> { |
| |
| private Provider() { |
| super(NAME, JavaNativeLibraryInfo.class); |
| } |
| |
| public String getName() { |
| return NAME; |
| } |
| |
| @Override |
| public JavaNativeLibraryInfo create(Depset transitiveLibraries) |
| throws EvalException { |
| return new JavaNativeLibraryInfo( |
| NestedSetBuilder.<LibraryToLink>stableOrder() |
| .addTransitive( |
| Depset.cast(transitiveLibraries, LibraryToLink.class, "transitive_libraries")) |
| .build()); |
| } |
| } |
| } |